Ark. Code Ann. § 24-10-619

No benefit enhancement provided for by §§ 24-10-604, 24-10-605, and 24-10-611 shall be implemented if it would cause the publicly supported retirement system's unfunded actuarial accrued liabilities to exceed a thirty-year amortization. No benefit enhancement provided for by §§ 24-10-604, 24-10-605, and 24-10-611 shall be implemented by any publicly supported system which has unfunded actuarial accrued liabilities being amortized over a period exceeding thirty (30) years until the unfunded actuarial accrued liability is reduced to a level less than the standards prescribed by § 24-1-101 et seq.